Rocksteady, Mutant Marauder 
Legendary Creature — Rhino Mutant
$0.25 #10248 0.00 0.5 years
Partner with Bebop, Skull & Crossbones (When this creature enters, target player may put Bebop into their hand from their library, then shuffle.)
Trample
Whenever another nontoken creature you control enters, put a +1/+1 counter on target creature.
Click a line or tag to filter
Cards similar to Rocksteady, Mutant Marauder expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
Nesting Wurm86%
$0.19↓#31576↓0.30↑26.6 years↑
"Trample"
Good-Fortune Unicorn84%
$0.20↓#3509↑0.17↑7.2 years↑
"Whenever another creature you control enters, put a +1/+1 counter on that creature."
Juniper Order Ranger80%
$0.15↓#7980↑0.0021.0 years↑
"Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on this creature."
Michelangelo, the Heart80%
$1.19↑#85210.000.5 years
"Trample"
Sandsteppe War Riders78%
$0.14↓#20316↓0.13↑3.4 years↑
"Trample"
Ethereal Elk78%
$0.23↓#28504↓0.29↑7.2 years↑
"Trample"
Mighty Mutanimals77%
$0.15↓#16852↓0.000.5 years
"Whenever another creature you control enters, put a +1/+1 counter on target creature you control."
EPF Point Squad77%
$0.09↓#22564↓0.000.5 years
"Whenever another creature you control enters, put a +1/+1 counter on this creature."
Celebrity Fencer77%
$0.17↓#18387↓0.23↑4.4 years↑
"Whenever another creature you control enters, put a +1/+1 counter on this creature."
Master Chef77%
$0.22↓#4237↑0.20↑4.2 years↑
"Commander creatures you own have "This creature enters with an additional +1/+1 counter on it" and "Other creatures you control enter with an additional +1/+1 counter on them.""
Thunderous Velocipede77%
$1.42↑#6854↑0.16↑1.6 years↑
"Trample"
Ivy Lane Denizen76%
$0.24↓#2460↑0.19↑13.6 years↑
"Whenever another green creature you control enters, put a +1/+1 counter on target creature."
Malamet Veteran76%
$0.08↓#19747↓0.002.8 years↑
"Trample"
Graypelt Hunter76%
$0.16↓#21352↓0.50↑16.6 years↑
"Trample"
Anafenza, Kin-Tree Spirit76%
$0.22↓#5870↑0.0511.4 years↑
"Whenever another nontoken creature you control enters, bolster 1."
Cragsmasher Yeti75%
$0.08↓#21958↓0.21↑3.4 years↑
"Trample"
Boltwing Marauder74%
$0.18↓#19078↓0.0911.4 years↑
"Whenever another creature you control enters, target creature gets +2/+0 until end of turn."
Durable Handicraft74%
$0.11↓#20314↓0.009.9 years↑
"Whenever a creature you control enters, you may pay 
. If you do, put a +1/+1 counter on that creature."
. If you do, put a +1/+1 counter on that creature."
Fallaji Vanguard74%
$0.13↓#19670↓0.003.8 years↑
"Whenever this creature or another creature you control enters, target creature gets +2/+0 until end of turn."
Scion of Darkness74%
$0.28↑#106220.67↑23.6 years↑
"Trample"